package com.springboot.demo.dao;

import com.springboot.demo.pojo.User;
import org.apache.ibatis.annotations.Mapper;

/**
 * @author peter
 * @title: UserMapper
 * @projectName springAll-peter
 * @description: 用户持久层
 * @date 19-9-19上午11:32
 */
@Mapper
public interface UserMapper {
    User findByUserName(String userName);
}
